1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index f24a2c225070..153e539c29c9 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -2585,6 +2585,11 @@ static int nested_check_host_control_regs(struct kvm_vcpu *vcpu,
             !nested_host_cr4_valid(vcpu, vmcs12->host_cr4) ||
             !nested_cr3_valid(vcpu, vmcs12->host_cr3))
                 return -EINVAL;
+
+        if (is_noncanonical_address(vmcs12->host_ia32_sysenter_esp, vcpu) ||
+            is_noncanonical_address(vmcs12->host_ia32_sysenter_eip, vcpu))
+                return -EINVAL;
+
         /*
          * If the load IA32_EFER VM-exit control is 1, bits reserved in the
          * IA32_EFER MSR must be 0 in the field for that register. In addition,